Home / 140,134,670.28-193,382,096.73-77,409,418.28

Finding the Fourth Proportional to 140,134,670.28, 193,382,096.73 and 77,409,418.28

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Solution

The fourth proportional to 140,134,670.28, 193,382,096.73 and 77,409,418.28 is: 106,822,926.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,134,670.28 : 193,382,096.73 = 77,409,418.28 : x
  2. Step 2: Convert to fraction form
    140,134,670.28/193,382,096.73 = 77,409,418.28/x
  3. Step 3: Cross multiply
    140,134,670.28x = 193,382,096.73 × 77,409,418.28
  4. Step 4: Simplify right side
    140,134,670.28x = 14,969,595,612,669,080
  5. Step 5: Solve for x
    x = 14,969,595,612,669,080/140,134,670.28
  6. Step 6: Final answer
    x = 106,822,926.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.